Patents by Inventor Maso Tanihara

Maso Tanihara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4421684
    Abstract: A column for adsorption of blood proteins is disclosed which comprises a blood inlet and a blood outlet each with a filter, and a porous material packed between both the filters, which material has a mean pore diameter (D) of 30-3,000 amgstroms with the volume occupied by pores with diameters of 0.8D-1.2D being at least 80% of the whole pore volume. The adsorption column can eliminate specific blood proteins by selective adsorption and is useful in the treatment of autoimmune diseases and cancer, for instance.
    Type: Grant
    Filed: May 28, 1982
    Date of Patent: December 20, 1983
    Assignee: Kuraray Co., Ltd.
    Inventors: Toshihide Nakashima, Maso Tanihara, Koichi Takakura
  • Patent number: 4384954
    Abstract: A column for adsorption of blood proteins is disclosed which comprises a blood inlet and a blood outlet each with a filter, and a porous material packed between both the filters, which material has a mean pore diameter (D) of 30-3,000 angstroms with the volume occupied by pores with diameters of 0.8 D-1.2 D being at least 80% of the whole pore volume. The adsorption column can eliminate specific blood proteins by selective adsorption and is useful in the treatment of autoimmune diseases and cancer, for instance.
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: May 24, 1983
    Assignee: Kuraray Co., Ltd.
    Inventors: Toshihide Nakashima, Maso Tanihara, Koichi Takakura